excel for scientists and engineers phần 7 pdf

... explicit method, we used a central difference formula for the second derivative and a forward difference formula for the first derivative (equations 12- 24 and 12-25). A variant of equation 12-26 ... unknowns, thus: for x = 4, t = 139: for x = 8, t = 139: for x = 12, t = 139: for x = 16, t = 139: For Y = 1, the values of the coefficients for...

Ngày tải lên: 14/08/2014, 12:20

... Integer Dim Formulastring As String, XRef As String, dummy as String Dim T As String, temp As String 'Get formula and value of cell formula (y). Formulastring = expression.Forrnula absolute. ... Wallis' series for 7c: over the first 100 terms of the series. 7. Evaluate Wallis' series for n, summing over 65,536 terms. Use a worksheet formula that uses ROW...

Ngày tải lên: 14/08/2014, 06:22

... custom function for integration. CHAPTER 7 INTEGRATION 139 0.865063366688984,0. 679 409568299024,0.4333953941292 47. 0.148 874 338981 631) 0.26926 671 9309996,0.29552422 471 475 3,0.066 671 344308688, ... as illustrated in Figure 8 -7. Again, cells A3 and C3 contain the initial values for XI and x2, respectively, and cells 83 and 03 contain the formula for t...

Ngày tải lên: 14/08/2014, 06:22

... equation.Formula End If If Left(FormulaText, 1) = "=" Then FormulaText = Mid(FormulaText, 2, 1024) FormulaText = Application.ConvertFormula(FormulaText, xlAl , xlAl , - FormulaText ... Application.lsText(equation) Then FormulaText = equation 'If in quotes, remove them. If Asc(Left(FormulaText, 1)) = 34 Then - FormulaText = Mid(FormulaText, 2,...

Ngày tải lên: 14/08/2014, 06:22

... 302 EXCEL: NUMERICAL METHODS After formatting to show a few more decimal places, for example, you are now ready to copy the values and paste them into your spreadsheet. y = -1 .72 727E-04x3 ... logarithmic and polynomial expressions are linear in the coefficients and can be handled by Excel& apos;s built-in linear regression code. Trendline uses linear transformation of th...

Ngày tải lên: 14/08/2014, 06:22

... solutions are 218 A Guide to Microsoft Excel 2002 for Scientists and Engineers Figure 10.24 196 A Guide to Microsop Excel 2002 for Scientists and Engineers I I A I B IC1 D I E ... Quick and Sine columns against that in the n column. I90 A Guide to Microsoft Excel 200 2for Scientists and Engineers Figure 10.1 This allows us to...

Ngày tải lên: 14/08/2014, 06:22

... Entirecolumn EntireRow Errors Font FormatConditions Formula FormulaArray FormulaHidden FormulaLabel FormulaLocal FormulaRlCl FormulaRlCl Local HasArray HasFormula Height Hidden HorizontalAlignment ... of Excel for Chemists: A Comprehensive Guide, 2nd edition, Wiley-VCH, New York, 2001. He has presented the 2-day short courses "Advanced Excel for Scientists...

Ngày tải lên: 14/08/2014, 06:22

... The formulas in cells C6 and D7 are, respectively, =-k*D6 and = R u nge 1 (A6, D6, C6, A7-A6) 224 EXCEL NUMERICAL METHODS =2*(A1 O+delta~)~2+2*(FI O+DI l*deltax) and the formula ... formulas were used to calculate the values of y and z. The formulas used in cells C7 and D7 are, respectively =B6*(A7-A6) and =D6+C7 CHAPTER 10 ORDINARY DIFFERENTIAL EOUAT...

Ngày tải lên: 14/08/2014, 06:22